Posted by: Pdfprep
Post Date: December 20, 2020
A Cisco IP phone fails to register with the Cisco CallManager.
Which choice should be checked first to isolate the issue?
A . Cisco Discovery Protocol is enabled on the switch.
B . The phone generates dhcp request packets.
C . The phone generates TFTP request packets.
D . Delete and re-create the phone.
Answer: B
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